lsi lsi- 6015 rotating clock features * 4 digit lcd display (rotating) * hour:minute or month:date display * rotate in 4 direction * 12/24 hour display format * 3 key operation * direct drive 1/2 bias 1/3 duty lcd * very low power consumption * 32768 crystal oscillator * single 1.5v operation. general description the lsi6015 is a rotating clock which the clock can be placed in four direction (up/down/left/right) and the lcd display the correct time/date informati on. it has a 3 key operation : set, mode, adj. it has 4 direction input to detect the display mode. the lsi6015 can be selected to operate in 12 hour/ 24 hour format depending on bonding option. the lsi6015 directly drive a 1/2 duty 1/3 bias lcd. it has a very low current consumption and is suitable for timer application.
lsi lsi-6015 2 functional description power up at power up, the lsi6015 turns on all lcd and star ts the clock from 1:00am (time mode). key operation the lsi6015 has three key operation mode, set, adj . at time mode, press mode key display the current da te (date mode), press mode again goes back to time mode and display the current time. setting time at time mode, press set over 2 seconds enter hour s etting mode. at hour setting mode, press adj to adjust the hour, press mode key goes to minute setting mode. at minute setting mode, press adj to adjust the min ute, press mode key goes back to time mode. setting date at date mode, press set over 2 seconds enter month setting mode. at month setting mode, press adj to adjust the curr ent month, press mode key goes to date setting mode. at date setting mode, press adj to adjust the curre nt date, press mode key goes back to date mode. 12hour/24hour option when 12/24 is connected to vdd, the lsi6015 display the clock in 12 hour format. when 12/24 is connected to gnd, the lsi6015 display the clock in 24 hour format. rotate the clock when down/up/left/right is connected to gnd, the ls i6015 display the clock/date in down/up/left/down position.
lsi lsi-6015 3 pin assignment designation type description bd [0:1] output buzzer output f512, vcap output doubler output vee output -1.5v t1, t2 input test pin e1,e2,e3,e4 input test pin cosco output 32khz oscillator output cosci input 32khz oscillator input vdd power +1.5v power supply gnd power ground up/down/left/right input(ph) input key 12/24 input(ph) bonding option mode/set/adj input(ph) input key c[1:3] output lcd common output s[1:16] output lcd segment output note: (ph) - pull high
lsi lsi-6015 4 absolute maximum ratings supply voltage vdd - vss..........................0 to 5v input voltage vin.................................v ss to vdd operating temperature top .............-10 c to 60 c storing temperature tst ...................-40 c to 70 c comments stress above those listed under } absolute maximum ratings? may cause permanent damage to the device. these are stress rating only. functional operation of this device at these or any other conditions above those indicated in the opera tional sections of this specification is not impli ed and exposure to absolute maximum rating conditio ns for extended periods may affect device reliability. d.c. electrical characteristics (gnd = 0v, vdd = 1.5v, ta = 25 c unless otherwise specified) parameter symbol min. typ. max. unit conditions supply voltage vdd 1.2 1.5 1.8 v operating current idd - 2 6 a no load osc. built-in cap cd - 20 - pf osc. trimmer cap ctrim 5 - 35 pf frequency stability ^f/f - - 10 ppm vdd=1.6-1.4 buzzer output current ibd 500 - - a vbd-vss=0.5 lcd frequency flcd - 64 - hz segment current ilcd 0.15 - - a vseg=0.2v common current icom 3.0 - - a vcom=0.2v
lsi lsi-6015 5 pad coordinate pad x( ? m) y( ? m) pad x( ? m) y( ? m) gnd vcap vee v512 c3 c2 c1 s1 s2 s3 s4 s5 s6 s7 s8 s9 s10 s11 s12 s13 s14 s15 s16 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1303.0 -1163.0 -1023.0 -883.0 -1394.0 -1251.0 -1110.0 -965.0 -825.0 -685.0 -545.0 -400.0 -260.0 -120.0 +20.0 +160.0 +300.0 +440.0 +580.0 +720.0 +860.0 +1000.0 +1140.0 +1350.0 +1350.0 +1350.0 +1350.0 pb r2 r1 r0 osco osci t1 gnd b1 b0 vdd t2 right left up down e4 adj mode set e1 e2 e3 12/24 -743.0 -593.0 -449.0 -225.0 -75.0 +1105.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1350.0 +1350.0 +1350.0 +1350.0 +1350.0 +1340.0 +1340.0 +1140.0 +988.0 +678.0 +543.0 +395.0 +226.0 +78.0 -70.0 -216.0 -365.0 -513.0 -661.0 -809.0 -957.0 -1105.0 -1253.0 -1400.0
lsi lsi-6015 6 pad location
lsi lsi-6015 7 application circuit
lsi lsi-6015 8 lcd pinout lcd table pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 name s16 s15 s14 s13 s12 s11 s10 s9 s8 s7 s6 s5 s4 s3 s2 s1 c1 c2 c3 c1 c1 l2 l5 l8 l12 l15 l19 l22 c4 r22 r19 r15 r12 r8 r5 r2 c1 / / c2 c2 l1 l4 l7 l11 l14 l18 l21 c3 r21 r18 r14 r11 r7 r4 r1 / c2 / c3 l16 l9 l3 l6 l10 l13 l17 l20 r9 r16 r17 r20 r10 r13 r3 r6 / / c3 note: lcd pinout at the bottom of the lcd. lcd is 1/3 duty, 1/2 bias, lcd on = 3.0v.
lsi lsi-6015 9 lcd in 4 direction
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